 |
|
difference in height : 5 phrases in 5 subjects |
| Anti-air artillery | 1 |
| Mechanic engineering | 1 |
| Meteorology | 1 |
| Non-destructive testing | 1 |
| Topography | 1 |
|
|
difference in height : 5 phrases in 5 subjects |
| Anti-air artillery | 1 |
| Mechanic engineering | 1 |
| Meteorology | 1 |
| Non-destructive testing | 1 |
| Topography | 1 |